/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.l2j.gameserver.model.quest;

import java.util.concurrent.ScheduledFuture;

import net.sf.l2j.gameserver.ThreadPoolManager;
import net.sf.l2j.gameserver.model.actor.instance.L2NpcInstance;
import net.sf.l2j.gameserver.model.actor.instance.L2PcInstance;

public class QuestTimer {
	// =========================================================
	// Schedule Task
	public class ScheduleTimerTask implements Runnable {
		public void run() {
			if (this == null || !getIsActive())
				return;
			try {
				if (!getIsRepeating())
					cancel();
				getQuest().notifyEvent(getName(), getNpc(), getPlayer());
			} catch (Throwable t) {
			}
		}
	}

	// =========================================================
	// Data Field
	private boolean _isActive = true;
	private String _name;
	private Quest _quest;
	private L2NpcInstance _npc;
	private L2PcInstance _player;
	private boolean _isRepeating;
	private ScheduledFuture<?> _schedular;

	// =========================================================
	// Constructor
	public QuestTimer(Quest quest, String name, long time, L2NpcInstance npc,
			L2PcInstance player, boolean repeating) {
		_name = name;
		_quest = quest;
		_player = player;
		_npc = npc;
		_isRepeating = repeating;
		if (repeating)
			_schedular = ThreadPoolManager.getInstance()
					.scheduleGeneralAtFixedRate(new ScheduleTimerTask(), time,
							time); // Prepare auto end task
		else
			_schedular = ThreadPoolManager.getInstance().scheduleGeneral(
					new ScheduleTimerTask(), time); // Prepare auto end task
	}

	public QuestTimer(Quest quest, String name, long time, L2NpcInstance npc,
			L2PcInstance player) {
		this(quest, name, time, npc, player, false);
	}

	public QuestTimer(QuestState qs, String name, long time) {
		this(qs.getQuest(), name, time, null, qs.getPlayer(), false);
	}

	// =========================================================
	// Method - Public
	public void cancel() {
		_isActive = false;
		if (_schedular != null)
			_schedular.cancel(false);
		getQuest().removeQuestTimer(this);
	}

	/**
	 * public method to compare if this timer matches with the key attributes
	 * passed.
	 * 
	 * @param quest
	 *            : Quest instance to which the timer is attached
	 * @param name
	 *            : Name of the timer
	 * @param npc
	 *            : Npc instance attached to the desired timer (null if no npc
	 *            attached)
	 * @param player
	 *            : Player instance attached to the desired timer (null if no
	 *            player attached)
	 */
	public boolean isMatch(Quest quest, String name, L2NpcInstance npc,
			L2PcInstance player) {
		if (quest == null || name == null)
			return false;
		if (quest != getQuest() || name.compareToIgnoreCase(getName()) != 0)
			return false;
		return npc == getNpc() && player == getPlayer();
	}

	// =========================================================
	// Property - Public
	public final boolean getIsActive() {
		return _isActive;
	}

	public final boolean getIsRepeating() {
		return _isRepeating;
	}

	public final Quest getQuest() {
		return _quest;
	}

	public final String getName() {
		return _name;
	}

	public final L2NpcInstance getNpc() {
		return _npc;
	}

	public final L2PcInstance getPlayer() {
		return _player;
	}

	@Override
	public final String toString() {
		return _name;
	}
}
